The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Which of the following edges of the given network are not part of the minimum spanning tree?
A. AC
B. DF
C. EF
D. CD
E. none of these
Answer: B
Mathematics
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? 
A. 
B. 
C. 
D. 
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Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics
Simplify the series of additions and subtractions.8.9 - 7.7 - 15.9
A. 32.5 B. -14.7 C. 0.7 D. 17.1
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.(400, 130°) Round the rectangular coordinates to two decimal places.
A. (306.42, -257.12) B. (-257.12, 306.42) C. (-257.12, -306.42) D. (306.42, 257.12)
Mathematics